Power Window Master Switch Illumination Test: Sienna

Place window lock switch in UNLOCK position. Disconnect 18-pin power window master switch connector. Connect jumper wire from 12-volt battery positive terminal to terminal No. 7 (White/Blue wire) at master switch harness connector. Connect another jumper wire from negative battery terminal to master switch harness connector terminal No. 1 (White/Black wire). See Figure. Ensure all switch lights illuminate. Place window lock switch in LOCK position and ensure passenger power window switches do not illuminate. If operation is not as specified, replace power window master switch. See POWER WINDOW SWITCH  under REMOVAL & INSTALLATION.